I can understand why you're worried - it would be hard to get something like that out of your mind once it's been planted there.

But I guess you could also look at it this way ... if it was as easy as looking at an x-ray, then obs would be sending everyone off for one and saving us all a lot of time and trouble.

Honestly, I would think the answer is maybe you can, maybe you can't but the only way of finding out for sure is to give a vaginal birth a go.

But also you need to feel comfortable and confident so I'd be researching your family history more and at the same time reading about positions in labour etc. etc.

I'm sorry that you've been giving this to worry about and I hope once you start finding out more you'll feel better about whatever you ultimately decide to do.